Statistics: Choose the letter of the best answer from 1-5. Show the solution if necessary. Thank you

B. Choose the letter of the BEST answer and write it on the space provided before each number. Show the solution if necessary and write them at the back of your paper for reference. (2 points each) 1. What would happen to the points in a scatterplot as they deteriorate from perfect negative correlation? A. The points are exactly on the trend line a upward-sloping line. B. The points are exactly on the trend line a downward-sloping line. C. The points cluster around a horizontal line. D. The points become more scattered. 2. If there is a very strong correlation between two variables, then its correlation coefficient A. exceeds 1.0, if the correlation between the two variables is positive B. is less than -1.0, if the correlation between the two variables is positive C. is either more than 1.0 or less than -1.0 D. is either near 1.0 or near -1.0 3. Which bivariate data are most likely positively associated? I. The monthly income and the floor area of the residence of a family II. The number of absences of a student and his academic performance. A. I only C. both I and II B. II only D. neither 4. Which of these most likely describes the correlation between grades in Math and Physics? A. strong, positive C. weak, positive B. strong, negative D. weak, negative 5. What is the best estimate of the value of r for the data? The coefficient of correlation is X 3 9 8 12 Y 4 1 6 2 8 A. less than 0.6 and positive C. greater than 0.6 and positive B. less than 0.6 but negative D. greater than 0.6 but negative